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Topic:Disease Management
Disease management in horses encompasses the strategies and practices employed to prevent, control, and treat diseases affecting equine populations. This field involves understanding the etiology, transmission, and clinical presentation of various equine diseases, as well as implementing biosecurity measures and therapeutic interventions. Common diseases in horses include equine influenza, strangles, and equine herpesvirus. Effective disease management relies on accurate diagnosis, vaccination protocols, and the use of antimicrobials and other treatments. This page compiles peer-reviewed research studies and scholarly articles that explore the methodologies, challenges, and advancements in managing diseases in equine health.
Generalized steatitis in a miniature horse filly with laminitis and a positive outcome at 18-month follow-up. A 12-month-old miniature horse filly was presented because of laminitis, suspected lymphangitis, and pyrexia. Although the filly's initial physical examination and diagnostic tests suggested an infectious etiology, ultrasonographic findings were suspicious for generalized steatitis. This was confirmed histopathology. The filly experienced full recovery with continued resolution of clinical signs at 18 mo after presentation. This case included aspects similar to those of previously reported clinical presentations, as well as long-term follow-up in a breed that is not overrepresented, providing...
Tackling equine antimicrobial resistance: introducing REIN In AMR. Charlotte Barber, Abigail McGlennon, Fleur Whitlock, John Grewar, Sophie Spalding, Richard Newton and Tamsin Dewé introduce a new government-funded initiative to strengthen the surveillance of antimicrobial resistance in the equine sector.
Antimicrobial-Resistant Enteric Gram-Negative Bacteria Isolated from a Fatal Diarrhea in a Horse: Genomic Characterization of CTX-M-2-Producing Escherichia coli. Infections caused by antimicrobial-resistant bacteria are difficult to treat and increase the risk of death in animals. This report describes a fatal case of diarrhea in a horse that, despite intensive treatment including surgery and broad-spectrum antimicrobials (ceftiofur and amikacin), experienced a worsening of its condition and subsequent death. A fecal swab sample was subjected to microbiological culture for the identification of bacteria and assessment of their phenotypical antimicrobial susceptibility profiles using the disk-diffusion and broth microdilution methods. The double-disk ...
Synovial Fluid and Serum MicroRNA Signatures in Equine Osteoarthritis. The aim of this study was to identify differentially expressed microRNAs (miRNAs) in serum and synovial fluid (SF) samples of control horses and those with osteoarthritis (OA) to identify potential candidates for biomarkers of disease. Total RNA was extracted from serum and SF samples of control (n = 4) and OA (n = 9) horses and sequenced. Differential expression analysis, pathway analysis and miRNA target prediction were performed. A group of six miRNAs (eca-miR-199a-3p, eca-miR-148a, eca-miR-99b, eca-miR-146a, eca-miR-423-5p and eca-miR-23b) was selected for validation in an independent coho...
“If you trust a vet, it’s easier to reach out to them with questions”: Flemish horse owner perspectives on communication about complementary and alternative veterinary medicine. To assess horse owners' behaviors and perceptions regarding communication about complementary and alternative veterinary medicine (CAVM) with their veterinarian. Unassigned: A cross-sectional online survey was combined with a qualitative study in the form of in-depth interviews with Flemish horse owners. Unassigned: The study included 1,532 fully completed survey responses and 26 interviews. Overall, horse owners showed high trust in the veterinarian and were satisfied with veterinarian-client communication. While 61.7% of participants indicated that they had already talked about CAVM with the...
Equine Herpesvirus Infections: Treatment Progress and Challenges in Horses and Donkeys. Equine herpesvirus (EHV) infections represent a significant global veterinary and economic challenge affecting both horses and donkeys across all inhabited continents. This narrative review comprehensively examines the nine distinct EHV species (EHV-1 through EHV-9), their taxonomic classification within Alphaherpesvirinae and Gammaherpesvirinae subfamilies, and their diverse host tropism patterns. The complex molecular pathogenesis involves sophisticated viral glycoproteins (gK, gB, gC, gH, gM, gL, gG, gD, gI, gE) that orchestrate cellular invasion, immune evasion, and intercellular transmiss...
Complications Associated with Equine Diagnostic and Elective procedures. The practice of medicine has always been associated with complications. In fact, in its early stages, these complications contributed to the understanding of certain diseases and advancement of the medical field. In equine practice, virtually every procedure carries an associated risk. In fact, even procedures that would have minimal risk in human medicine may pose significant risk in equine practice owing to the unique nature of the horse. For instance, a simple rectal palpation could result in a rectal tear following an unexpected movement of the patient. Thus, extrapolations of complication...
Equine-Assisted Interventions: Cross Perspectives of Beneficiaries and Their Caregivers from a Qualitative Perspective. : Although equine-assisted interventions (EAI) are gaining growing attention, their scientific evaluation among individuals with Alzheimer's disease (AD) living in nursing homes remains limited. This study aimed to explore the lived experiences of an EAI program from the perspectives of the participants living with AD as well as their families and professional caregivers. : Thirty non-directive interviews were conducted between June and July 2024 across several nursing homes in the Centre-Val de Loire region (France). The interviews were recorded, transcribed, and analyzed using thematic analy...
Western equine encephalitis virus: A comprehensive review of epidemics, transmission, hosts, and strategies for mitigation. Recent increases in cases of western equine encephalitis (WEE) in South America have raised significant concerns about the virus's potential to cause an endemic disease due to its adaptation to mosquito vectors. Currently, there are no effective vaccines or treatments for WEEV, despite ongoing research into various biochemical products in animal models. The virus presents different pathological effects depending on the host. In humans, WEEV infection leads to central nervous system damage, resulting in encephalitis and severe neurological sequelae, which underscores the need for further resear...
Lethal Sycamore maple intoxication in a grazing three-month-old foal. The case of a young foal poisoned by maple toxin is described. It showed signs of myopathy caused by ingesting life-threatening amounts of maple toxin. Some maple trees (Acer species) can pose a health risk to grazing horses. The leaves, seeds and shoots contain hypoglycin A (HGA) and methylencyclopropylglycine (MCPRG) and can cause life-threatening atypical myopathy.
Iatrogenic aspiration pneumonia in six horses: A retrospective case series. Iatrogenic aspiration pneumonia is rarely reported in horses, with most cases involving lipoid pneumonia from accidental mineral oil administration. Objective: Our aim is to describe horses with iatrogenic aspiration, highlighting clinical findings, treatment, outcomes, and prognostic differences based on the aspirated material. Methods: Management of 6 horses treated at the University of Helsinki Equine hospital due to iatrogenic aspiration between 2018 and 2023 are reported. Results: Of the six horses, three survived, two of whom regained full athletic function. Survivors received water, or ...
Biological effects of β-D-glucans from natural sources on equine health and performance: A review. This review highlights the role of β-glucans-specifically β(1 → 3), β(1 → 6), and β(1 → 4)-glucans-as water-soluble dietary fibres in animal nutrition and health. Sourced from yeast, plants, seaweed, and mushrooms, β-glucans differ in structure depending on origin, which affects their solubility and biological activity. Recent studies emphasize their therapeutic potential in horses, particularly for managing gastric ulcers, viral infections, immune dysfunction, and poor performance. The review summarizes data on effective dosages, formulations, and sources of β-glucans tailor...
A Meta-Analysis of International Flunixin Pharmacokinetics in Horses: Toward Regulatory Harmonization and Individualized Detection Times Using Bayesian Paradigm. Flunixin meglumine is widely used to manage pain and inflammation in horses, and its regulation requires robust pharmacokinetic analysis for harmonization. In this study, we conducted a meta-analysis of flunixin disposition using plasma and urine concentration data from 65 horses across four countries to robustly estimate pharmacokinetic parameters in setting screening limits (SLs) for controlling medications in horses. A population (POP) model was developed using nonlinear mixed-effects model analysis. The irrelevant plasma concentration (IPC) and irrelevant urine concentration (IUC) were det...
Revitalizing equine metabolism: how SHBG improves mitochondrial function and reduces inflammation. Equine metabolic syndrome (EMS) is associated with chronic low-grade inflammation, disruptions in mitochondrial dynamics and function, and an increased risk of developing laminitis. Recent research has highlighted that reduced levels of sex hormone-binding globulin (SHBG) in the bloodstream are linked to higher susceptibility to obesity, insulin resistance, and diabetes, potentially contributing to broader metabolic imbalances. This study aimed to evaluate whether exogenously administered SHBG could protect adipose-derived stem cells from horses affected by EMS (EqASC) against mitochondrial dy...
Recent advances in intestinal helminth parasites of horses in the Asia-Pacific region: Current trends, challenges and future directions. Over the past 25 years, significant progress has been made in understanding and managing equine gastrointestinal parasites in the Asia-Pacific region, particularly in Australia and New Zealand. This review synthesises current knowledge of the epidemiology, diagnostic methods, anthelmintic resistance (AR), and control strategies for major equine intestinal parasites, including cyathostomins, Parascaris spp., Anoplocephala perfoliata, and Strongyloides westeri. Recent studies highlight substantial regional variation in parasite prevalence, egg shedding and cyathostomin population composition, sh...
Incorporating a Behavioral Medicine Approach in the Multi-Modal Management of Chronic Equine Gastric Ulcer Syndrome (EGUS): A Clinical Commentary. Equine gastric ulcer syndrome (EGUS) refers to mucosal gastric disease in horses, including equine squamous gastric disease (ESGD) and equine glandular gastric disease (EGGD), which present as two distinct disease entities differing in pathophysiology and approach to disease management. Both diseases are a source of pain in affected horses, partly explaining why EGUS continues to receive substantial attention in the equine medical, welfare and equitation research sectors. There is a complex interplay between EGUS and a variety of physical and psychological stressors. Horses with EGUS are often...
Controlling drug-resistant bacteria in Arabian horses: bacteriophage cocktails for treating wound infections. Antimicrobial resistance is a major global health issue requiring a coordinated response. This study investigated for the first time the prevalence, antimicrobial resistance phenotypes of bacteria causing infections in Arabian horses, and the potential of bacteriophage therapy for wound treatment. One hundred clinical samples from infected Arabian horses, presenting respiratory disorders, diarrhea, abortion, wound, and ocular infection, were examined using direct sample multiplex PCR and phenotypic methods. Antimicrobial susceptibility testing of the recovered isolates was performed using pane...
Surgical repair of bilateral lateral patellar luxation in a foal using block-recession trochleoplasty and polypropylene mesh reinforcement: Case report and review of literature. Patellar luxation is a rare orthopedic condition in horses, with congenital lateral patellar luxation being the most frequently reported form. A few sporadic reports have described surgical options for addressing equine patellar luxation. This report details the clinical presentation of a 2-month-old Italian Trotter foal diagnosed with bilateral lateral patellar luxation. Staged surgical correction of both stifles was performed, including block recession trochleoplasty combined with the application of polypropylene mesh for reinforcing medial imbrication sutures. Intra- and post-operative eval...
Wearable smart textile band for continuous equine health monitoring. Continuous physiological monitoring is well-established in human healthcare for early disease detection and management. However, translation of these technologies to large animals such as equines remains underdeveloped due to anatomical constraints, dense hair coat coverage, and requirements for unimpeded mobility. Equines, particularly racehorses, are prone to asthma and cardiovascular abnormalities, with nearly 80Â % affected by mild to moderate asthma, impacting performance and long-term health. Despite the need for continuous monitoring, existing solutions require shaving hairs, often lack...
Effects of the Sodium-Glucose Cotransporter-2 Inhibitor Velagliflozin on Insulin Concentrations in Horses With Insulin Dysregulation. Sodium-glucose cotransporter-2 inhibitors (SGLT2i) are promising treatments to manage hyperinsulinemia in horses with insulin dysregulation (ID). Objective: The SGLT2i velagliflozin decreases insulin concentration in horses with ID. Methods: Privately-owned adult horses (n = 37) with laboratory-confirmed ID (low-dose oral sugar test insulin concentration > 75 μIU/mL). Methods: Double-blind randomized placebo-controlled trial. Horses received placebo (n = 19) or velagliflozin 0.3 mg/kg PO q24h (n = 18) for 20 weeks (Study Period 1, SP1) immediately followed by a 20-week ope...
Antimicrobial use in equine patients at a veterinary teaching hospital in the northeastern United States reveals opportunities for enhanced stewardship. To assess the use of systemic antimicrobial agents in equine patients and identify areas where their use could be reduced. Unassigned: A retrospective study evaluating the electronic medical records for all equine visits in which systemic antimicrobials were given at a veterinary teaching hospital for 1 year (2021). Negative binomial regression analysis was used to evaluate factors associated with antimicrobial prescription rate. Unassigned: Systemic antimicrobials were prescribed for 33.5% (543 of 1,622) of equine visits. For most visits (89.1%), ≤ 3 antimicrobials were given. The antimicro...
Equine Asthma Is Characterised by Severity-Dependent Correlations Between Blood Neutrophil Cholesterol Content and NET Formation. Equine asthma (EA) is the most prevalent chronic lung disease in horses. Neutrophils are the main effector cells in severe EA. Neutrophil extracellular traps (NETs) have been described as contributors to severity in human asthma and chronic obstructive pulmonary disease. Thus, we aimed to investigate if NET-related factors in equine neutrophils, blood and bronchoalveolar lavage fluid (BALF) allow us to differentiate EA severities and to identify NET-related mechanistic insights in EA. We quantified NETs and NET-related factors in the blood and BALF of eight healthy horses and 18 horses with di...
Evaluation of Owner-Reported Clinical Signs and Fecal Occult Blood Tests as Predictors of Equine Gastric Ulcer Syndrome in Competition Dressage Horses. Equine gastric ulcer syndrome (EGUS) adversely affects the health, welfare, and performance of sports horses, requiring gastroscopy for definitive diagnosis. Owners frequently consider girth aversion as highly suggestive of EGUS. Objective: To evaluate whether owner-reported clinical signs or fecal occult blood tests (FOBTs) can help identify horses needing gastroscopy for EGUS diagnosis or monitoring treatment, thereby reducing unnecessary procedures in unaffected horses. Methods: Eighty competition dressage horses referred by veterinarians for EGUS evaluation. Methods: Case-control study in...
Comparative analysis of 3 qPCR primer-probe sets for the detection of equid alphaherpesvirus 1. With the revision of the World Organisation for Animal Health (WOAH) Terrestrial Manual on equine rhinopneumonitis in 2024, 3 recommended qPCR primer-probe sets were added for the detection of equid alphaherpesvirus 1 (EqAHV1; formerly equine herpesvirus 1 [EHV1]; family , taxon species ), also known as equine abortion virus. We compared the sensitivity and specificity of the 3 qPCR primer-probe sets to determine the most reliable set. Sets gB1H and gB1P, which target the glycoprotein B () gene of EqAHV1, detected all 10 copies and even lower copy numbers. In contrast, set gC1 (ISO 17025-accre...
Complications in Theriogenology. This article explores key complications in equine reproduction, focusing on their causes, diagnosis, treatment, and prevention. It emphasizes the risks associated with common procedures, particularly those that are iatrogenic, meaning caused by medical intervention. The discussion highlights how understanding these risks can help in early detection and management, ultimately improving reproductive success and animal welfare. The article also provides insights into best practices to minimize complications, ensuring safer procedures and better outcomes for breeding horses.
Influence of Extended Photoperiod Using Blue Light Masks on Hypertrichosis, Coat Condition and General Health Parameters in Horses with Pituitary Pars Intermedia Dysfunction. Fifty-two horses aged >15 years, diagnosed with pituitary pars intermedia dysfunction (PPID), and displaying hypertrichosis were recruited via an online survey of PPID horse owners. From mid-December, group T ( = 29) wore Equilume light masks extending photoperiod to 15 h daily, while group C1 ( = 23) remained under natural photoperiod. As 85% (44/52) of recruited study horses received pergolide medication, a second unmedicated PPID research herd (C2; = 17) was recruited and remained under natural photoperiod. Hair coat samples, shedding and body condition scores were collected monthly by own...
Selected microRNAs as biomarkers in sarcoid-affected horses under immunotherapy with a mistletoe extract. We investigated microRNAs (miRNAs) as potential prognostic biomarkers for equine sarcoid (ES) disease. In a breed-, age-, and sex-matched case-controlled study involving 45 ES-affected and 15 control horses, we assessed the diagnostic, prognostic, and theragnostic value of 3 miRNAs (eca-miR-127, eca-miR-379, eca-miR-432) in horses treated with European mistletoe () extract versus placebo. Whole-blood miRNA concentrations were measured using reverse-transcription quantitative real-time PCR (RT-qPCR) at 3 different times. We found that eca-miR-432 expression was lower in ES-affected (median =â...
A high proportion of bacterial isolates from septic neonatal foals in Ontario express multidrug resistance and low susceptibility to first-line antimicrobials. To describe common bacterial isolates cultured from sick neonatal foals and their antimicrobial susceptibility and resistance patterns. Unassigned: Medical records of foals ≤ 30 days of age, admitted to the Ontario Veterinary College from 2020 to 2023, and with a positive aerobic bacterial culture and susceptibility testing performed (Kirby-Bauer method) were included. A descriptive analysis of species isolated and antimicrobial and multidrug resistance profiles was performed. Unassigned: 62 samples from 60 predominantly Thoroughbred (42% [25 of 60]) neonatal foals (median age, 8 days) yield...
Complications of the Recumbent Horse: Diagnosis and Management. This issue focuses on the potential complications caused by prolonged recumbency in horses. It discusses how managing a recumbent horse involves treating the primary illness while also preventing and addressing secondary issues that can arise from recumbency itself. The authors explore the underlying pathophysiology of these complications, along with strategies for prevention and treatment. By understanding these aspects, veterinarians can improve care and outcomes for horses that are immobilized for extended periods. The issue provides insights into the most common complications and emphasize...
Hidden menace: Understanding the devastating consequences of dourine disease in horses. is a protozoan parasite that causes the sexually transmitted disease known as "dourine" in horses. This chronic illness is directly spread from one animal to another during mating. Doflein proposed the name in 1901. Despite being distributed worldwide, the broad use of artificial insemination technology over the past three decades has resulted in only a few cases being documented. The condition is typically fatal and is characterized by gradual emaciation, nervous system involvement, and edematous lesions of the genitals. The incubation period between exposure and the onset of clinical sympt...
